PONTIAC GTO Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

Yukon Gear & Axle Crush Sleeve Eliminator Kits SK CSGM12P

Crush Sleeve Eliminator Kit, Steel Pinion Bearing Spacer, Pinion Shims, GM 8.875 in. Passenger Car, Kit

Part Number: YGA-55045

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Yukon Gear & Axle Mini Spools YP MINSGM8.5-30

Spool, Mini, Steel, 30-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32233

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Richmond Gear EXCel Ring and Pinion Sets 12BC373T GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC373T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Richmond Gear Ring and Pinion Sets 49-0013-1 GM 8.2 in. 3.36 Gears

Gear, Ring and Pinion, 3.36:1 Ratio, GM, 8.2 in., 10-Bolt, 3 Series, Set

Part Number: RMG-49-0013-1

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Richmond Gear Ring and Pinion Sets 69-0167-1 GM 8.5/8.6 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Moser Engineering Replacement C-Clip Axles A103003-1

Axle, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, GM F-Body, A-Body, 8.5 in., Each

Part Number: MSR-A103003-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Motive Gear Performance Ring and Pinion Sets G882355 GM 8.2 in. 3.55 Gears

Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882355

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Yukon Gear & Axle Ring and Pinion Sets YG GM12P-373-4 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Ring & Pinion Gear, 3.73 Ratio, GM, 8.875 in. Passenger Car, Set

Part Number: YGA-24124

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Motive Gear Performance Ring and Pinion Sets G885308 GM 8.5/8.6 in. 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Aug 4, 2025 if ordered today

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Estimated Ship Date: Aug 4, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Ring and Pinion Gear Sets ALL70120 GM 8.5/8.6 in. 3.08 Gears

5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/14/2025

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Yukon Gear & Axle Super Carrier Shims SK SS12

Carrier Shims, Steel, Ford 8.8 in., GM, 8.0, 8.6, 8.75, 8.875 in., Kit

Part Number: YGA-55002

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Motive Gear Open Differential Internal Kits GM12BI

Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L

Part Number: MGR-GM12BI

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Motive Gear Performance Ring and Pinion Sets G882390 GM 8.2 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882390

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Richmond Gear Ring and Pinion Sets 69-0032-1 GM 8.875 in. (12-bolt) passenger car 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6900321

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Richmond Gear Ring and Pinion Sets 69-0034-1 GM 8.875 in. (12-bolt) passenger car 5.14 Gears

Gear, Ring and Pinion, 5.14:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6900341

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

USA Standard Gear Spider Gear Sets ZIKGM12-S-30

Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, GM 8.875 in. (12-bolt), Car/Truck, 30-spline, Buick, Chevy, GMC, Pontiac, Kit

Part Number: SPZ-39021

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

USA Standard Gear Master Overhaul Kits ZK GM8.5-HD

USA Standard Master Overhaul kit GM 8.5 in., Rear, Kit

Part Number: SPZ-37057

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Motive Gear Differential Bearing Kits R10R

Ring and Pinion Installation Kit, GM, 8.5 in., GM, Kit

Part Number: MGR-R10R

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Yukon Gear & Axle Ring and Pinion Sets YG GM12P-342 GM 8.875 in. (12-bolt) passenger car 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.875 in. Ring Gear, GM 8.875 in., Set

Part Number: YGA-24121

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

GForce Outlaw Axle Shafts for 2004-2006 GTO - GTO10111A

Axle Shafts, Direct Fit, Outlaw, CV-Style, Billet Steel, Pontiac, Rear, Pair

Part Number: GFE-GTO10111A

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

GForce Renegade Axle Shafts for 2004-2006 GTO - GTO10125A

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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Motive Gear Performance Ring and Pinion Sets G885342 GM 8.5/8.6 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885342

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Eaton Master Differential Installation Kits K-GM12CR

Ring and Pinion Installation Kit, Rear, GM 8.875 in., 12-Bolt, GM, Passenger Car, Kit

Part Number: ETN-K-GM12CR

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Motive Gear Differential Bearing Kits R12CR

Ring and Pinion Installation Kit, GM, 12-Bolt Car, Kit

Part Number: MGR-R12CR

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Yukon Gear & Axle Crosspin Bolts YSPBLT-038

Crosspin Bolt, 5/16 in. Hex Head, Each

Part Number: YGA-33067

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Richmond Gear Ring and Pinion Sets 69-0033-1 GM 8.875 in. (12-bolt) passenger car 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6900331

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/14/2025

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Estimated Ship Date: Monday 7/14/2025

Eaton Detroit Lockers GM 8.5 Inch 187C149A

Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each

Part Number: ETN-187C149A

Not Yet Reviewed

Estimated Ship Date: Jul 18, 2025 if ordered today

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Estimated Ship Date: Jul 18, 2025 if ordered today